| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott McGregor | BAL | -3.65 | 198705270_ANA_BAL |
| Phil Niekro | CLE | -3.01 | 198705270_CLE_BOS |
| Al Nipper | BOS | -1.43 | 198705260_CLE_BOS |
| Rich Dotson | CHA | -1 | 198705270_KCA_CHA |
| Joe Johnson | TOR | -0.98 | 198705270_OAK_TOR |
Based on accumulated WAA for this season up to 1987-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.67 | Bret Saberhagen | 76 | KCA |
| +004+ | 3.49 | Rick Reuschel | 68.7 | PIT |
| +005+ | 3.13 | Curt Young | 76 | OAK |
| +006+ | 3.07 | Mike Scott | 75.3 | HOU |
| +007+ | 3.06 | Charlie Leibrandt | 70.3 | KCA |
| +009+ | 3.03 | Roger Clemens | 78.3 | BOS |
| +011+ | 2.87 | Jim Clancy | 75.7 | TOR |
| +012+ | 2.87 | Mike Boddicker | 76.7 | BAL |
| +014+ | 2.8 | Rick Honeycutt | 47.3 | LAN |
| +016+ | 2.62 | Juan Berenguer | 45.3 | MIN |
| +018+ | 2.48 | Sid Fernandez | 59 | NYN |
| +021+ | 2.36 | Nolan Ryan | 64 | HOU |
| +027+ | 2.19 | Joe Magrane | 45.7 | SLN |
| +029+ | 2.1 | Rick Sutcliffe | 67.3 | CHN |
| +039+ | 1.79 | Charles Hudson | 64.3 | NYA |
| +042+ | 1.77 | Orel Hershiser | 75 | LAN |
| +046+ | 1.74 | Joe Niekro | 40.7 | NYA |
| +047+ | 1.73 | Bruce Hurst | 71.7 | BOS |
| +050+ | 1.68 | Walt Terrell | 67.3 | DET |
| +054+ | 1.64 | Lary Sorensen | 33 | WAS |
| +052+ | 1.64 | Don Carman | 59 | PHI |
| +057+ | 1.58 | Atlee Hammaker | 29 | SFN |
| +065+ | 1.46 | Dennis Eckersley | 38 | OAK |
| +071+ | 1.42 | Bob Welch | 63 | LAN |
| +073+ | 1.41 | Fernando Valenzuela | 75.7 | LAN |
_